681360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1$

素因数の和:200

約数の個数: 80

約数和(自身を含む): 2249856

約数和(自身を除く): 1568496

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 167, 170, 204, 240, 255, 272, 334, 340, 408, 501, 510, 668, 680, 816, 835, 1002, 1020, 1336, 1360, 1670, 2004, 2040, 2505, 2672, 2839, 3340, 4008, 4080, 5010, 5678, 6680, 8016, 8517, 10020, 11356, 13360, 14195, 17034, 20040, 22712, 28390, 34068, 40080, 42585, 45424, 56780, 68136, 85170, 113560, 136272, 170340, 227120, 340680, 681360]

約数ペア:

[(1, 681360), (2, 340680), (3, 227120), (4, 170340), (5, 136272), (6, 113560), (8, 85170), (10, 68136), (12, 56780), (15, 45424), (16, 42585), (17, 40080), (20, 34068), (24, 28390), (30, 22712), (34, 20040), (40, 17034), (48, 14195), (51, 13360), (60, 11356), (68, 10020), (80, 8517), (85, 8016), (102, 6680), (120, 5678), (136, 5010), (167, 4080), (170, 4008), (204, 3340), (240, 2839), (255, 2672), (272, 2505), (334, 2040), (340, 2004), (408, 1670), (501, 1360), (510, 1336), (668, 1020), (680, 1002), (816, 835)]